What to Wear in San Francisco in May
May grey — cool and often foggy, layers a must. Expect 11°–18°C with 3 rainy days on average.
☀️
High
18°C
🌙
Low
11°C
🌧️
Rain days
3
🌡️
Feel
Pleasantly Cool
Typical outfit
~15°C average
About May in San Francisco
May in San Francisco typically brings may grey — cool and often foggy, layers a must. With averages of 11°–18°C, the conditions call for fresh and crisp weather — the perfect excuse for cozy knits and stylish layering.
Think in layers: a thermal base, a knit mid-layer, and a windproof outer. You can strip back as the day warms.